Read a crontab file to be able to change alarms dynamically

[probonopd]

Thanks for this very useful library. I think the killer feature would be to read a crontab file (e.g., from the filesystem in a esp8266/esp32), from a https URL, or from a multiline string) in order to be able to change alarms dynamically.

My use case is that I would like to maintain the crontab file in the web, and have the ESP based device fetch that file when it boots.

Coud you consider this feature request?

My use case is that I would like to put certain messages onto a display, as defined in a crontab file hosted on the web:

# Minute Hour DayOfMonth Month DayOfWeek Message
0       7     *          *     1-5      Good morning!
0       12    *          *     *        Lunch time!
0       17    *          *     1-5      Work day is over!
0       8     1          *     *        Happy New Month!
0       8     1    1,4,7,10    *        Happy New Quarter!
0       0     1          1     *        Happy New Year!